83.83% is the change from 303 to 557
Calculation steps:
[( 557 - 303 ) ÷ 303] x 100 = 83.83%
Formula
Percentage change = [(557 - 303) / 303] x 100
Subtract the new number by the original number
557 - 303 = 254
254 ÷ 303 = 0.8382838283828383
0.8382838283828383 x 100 = 83.83%